phyllotaxyn.

Brit.

/ˈfɪlə(ʊ)ˌtaksi/, U.S.

/ˈfɪləˌtæksi/

Origin: Formed within English, by compounding; perhaps modelled on a French lexical item, or perhaps modelled on a German lexical item. Etymons: phyllo- comb. form, -taxy comb. form.

Etymology: < phyllo- comb. form + -taxy comb. form, probably after either German Phyllotaxie (see note) or French phyllotaxie (1848 or earlier). Compare earlier phyllotaxis n. and the German and French parallels cited at that entry. H. Cottez Dict. de structures du vocab. savant (ed. 4, 1985), s.v. -taxie, attributes German Phyllotaxie to C. Schimper and A. Braun (1834), but this reference has not been traced.

Botany.

= phyllotaxis n.

ΘΚΠ

the world > plants > part of plant > (defined by) distribution, arrangement, or position > [noun] > arrangement of organs on stem or phyllotaxy

phyllotaxis1845

phyllotaxy1857

1857 A. Henfrey Elem. Course Bot. §60 A particular study of those laws has been pursued, under the name of Phyllotaxy.

1863 C. Darwin in Life & Lett. (1887) III. 51 Do you remember telling me that I ought to study Phyllotaxy?

1926 A. J. Eames & K. M. Wiegand Flora Cayuga Lake Basin N.Y. 17 Leaves in 1/2 phyllotaxy, usually with open sheaths..Gramineae... Leaves mostly in 1/3 phyllotaxy, with closed sheaths..Cyperaceae.

1960 K. Esau Anat. Seed Plants xvi. 214 In a plant with a helical phyllotaxy the orthostichy in a mature shoot may appear to be a straight line, but at origin of leaves it forms a steep helix.

2000 Proc. National Acad. Sci. U.S.A. 97 7633/1 Additional phenotypes include reduced and delayed germination, delayed flowering, maturation, and senescence, decreased internode elongation, shortened roots, aberrant phyllotaxy of flowers..and occasional apical meristem fasciation.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	phyllotaxy
释义	phyllotaxyn. Brit. /ˈfɪlə(ʊ)ˌtaksi/, U.S. /ˈfɪləˌtæksi/ Origin: Formed within English, by compounding; perhaps modelled on a French lexical item, or perhaps modelled on a German lexical item. Etymons: phyllo- comb. form, -taxy comb. form. Etymology: < phyllo- comb. form + -taxy comb. form, probably after either German Phyllotaxie (see note) or French phyllotaxie (1848 or earlier). Compare earlier phyllotaxis n. and the German and French parallels cited at that entry. H. Cottez Dict. de structures du vocab. savant (ed. 4, 1985), s.v. -taxie, attributes German Phyllotaxie to C. Schimper and A. Braun (1834), but this reference has not been traced. Botany. = phyllotaxis n. ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [noun] > arrangement of organs on stem or phyllotaxy phyllotaxis1845 phyllotaxy1857 1857 A. Henfrey Elem. Course Bot. §60 A particular study of those laws has been pursued, under the name of Phyllotaxy. 1863 C. Darwin in Life & Lett. (1887) III. 51 Do you remember telling me that I ought to study Phyllotaxy? 1926 A. J. Eames & K. M. Wiegand Flora Cayuga Lake Basin N.Y. 17 Leaves in 1/2 phyllotaxy, usually with open sheaths..Gramineae... Leaves mostly in 1/3 phyllotaxy, with closed sheaths..Cyperaceae. 1960 K. Esau Anat. Seed Plants xvi. 214 In a plant with a helical phyllotaxy the orthostichy in a mature shoot may appear to be a straight line, but at origin of leaves it forms a steep helix. 2000 Proc. National Acad. Sci. U.S.A. 97 7633/1 Additional phenotypes include reduced and delayed germination, delayed flowering, maturation, and senescence, decreased internode elongation, shortened roots, aberrant phyllotaxy of flowers..and occasional apical meristem fasciation. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1857
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